The minimum interval is 30 minutes

often used in conjunction with potential relays to drop out of the circuit once the motor reaches approximately 75% of its rated speed

Durable Construction: High-density plastic resists chemical exposure and mechanical wear common in mechanical rooms

provided the ambient temperature and humidity remain within the 5% to 95% non-condensing range

Class II Rated: Meets UL 1585 standards

Emerson Alco 048800 Moisture Indicator The minimum interval is 30The Emerson Alco 048800 (Model AMI 1FM2) is a high sensitivity moisture indicator designed for rigorous field duty in commercial refrigeration and HVAC systems. Engineering for the modern technician, this sight glass features a 1 4" Female Flare x Male Flare connection, allowing for straightforward installation into liquid lines. It is rated for a 650 PSI maximum working pressure, making it fully compatible with a wide range of CFC, HCFC, and HFC